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Tapered roller bearing
30212-A Tapered roller bearing
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Main Dimensions & Performance Data
d
60 mm
D
110 mm
B
22 mm
C
19 mm
Cr
102000 N
Cor
121000 N
Cur
14300 N
Reference speed
4300 rpm
Limiting speed
6800 rpm
Mounting dimensions
damax
62 mm
轴挡肩最大直径
r1,2min
2 mm
内圈背面倒角尺寸
r3,4min
1.5 mm
外圈背面倒角尺寸
dbmin
64 mm
轴挡肩最大直径
a
26 mm
压力锥顶距
Damin
85 mm
轴承座挡肩最小直径
d1
79.4 mm
内圈引导挡边直径
Damax
91 mm
轴承座挡肩最大直径
Dbmin
96 mm
轴承座挡肩最小直径
Camin
6 mm
最小轴向间距
Cbmin
8 mm
最小轴向间距
ramax
2 mm
轴最大圆角半径
rbmax
1.5 mm
轴承座最大圆角半径
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
120 °C
最高工作温度
Calculation coefficient
e
0.4
Fa/Fr 对应不同X和Y系数
Y
1.5
轴向动载荷系数
Y0
0.83
轴向静载荷系数